389932004

素因数分解:

$2^2\times 7^4\times {\mathrm{11}}^1\times {\mathrm{3691}}^1$

素因数の和:3734

約数の個数: 60

約数和(自身を含む): 868668528

約数和(自身を除く): 478736524

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 343, 539, 686, 1078, 1372, 2156, 2401, 3691, 3773, 4802, 7382, 7546, 9604, 14764, 15092, 25837, 26411, 40601, 51674, 52822, 81202, 103348, 105644, 162404, 180859, 284207, 361718, 568414, 723436, 1136828, 1266013, 1989449, 2532026, 3978898, 5064052, 7957796, 8862091, 13926143, 17724182, 27852286, 35448364, 55704572, 97483001, 194966002, 389932004]

約数ペア:

[(1, 389932004), (2, 194966002), (4, 97483001), (7, 55704572), (11, 35448364), (14, 27852286), (22, 17724182), (28, 13926143), (44, 8862091), (49, 7957796), (77, 5064052), (98, 3978898), (154, 2532026), (196, 1989449), (308, 1266013), (343, 1136828), (539, 723436), (686, 568414), (1078, 361718), (1372, 284207), (2156, 180859), (2401, 162404), (3691, 105644), (3773, 103348), (4802, 81202), (7382, 52822), (7546, 51674), (9604, 40601), (14764, 26411), (15092, 25837)]